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-   -   Kernel 2.6.26.8-rt13 (http://www.linux-archive.org/64-studio-developer/228454-kernel-2-6-26-8-rt13.html)

dave 01-15-2009 07:58 PM

Kernel 2.6.26.8-rt13
 
Free Ekanayaka wrote:


Hi all,

according to my own tests and to the report on the list, I think
kernel 2.6.28 is not yet stable enough, rt/latency-wise.

So I've just finished packaging a new 2.6.26, with the latest RT
patch, and a further patch recently posted to the linux-rt mailing
list, which fixes an ALSA midi problem.

Full images and headers are available for both i386 and amd64, just
add:

deb http://apt.64studio.com/backports hardy-backports main

to your sources and run:

apt-get install linux-image-2.6.26-1-multimedia-686
apt-get install linux-headers-2.6.26-1-multimedia-686

for i386 or:

apt-get install linux-image-2.6.26-1-multimedia-amd64
apt-get install linux-headers-2.6.26-1-multimedia-amd64

for amd64, all as sudo.

Ciao!

Free




Hi, :-)

for i386 on 3.0 alpha install

apt-get install linux-image-2.6.26-1-multimedia-686
apt-get install linux-headers-2.6.26-1-multimedia-686

This gives the best results yet here of the latest test kernels,
qjackctl idles around 2.4%. With ardour running = 9.3%
I will run some more tests, but first impressions are very good.

Cheers!
dave.



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01-15-2009 08:30 PM

Kernel 2.6.26.8-rt13
 
> This gives the best results yet here of the latest test kernels,
> qjackctl idles around 2.4%. With ardour running = 9.3%
> I will run some more tests, but first impressions are very good.


My sentiment exactly!

My "old" Centrino laptop is running a mastering session with 26 - 30% CPU
usage only.

This is the best kernel so far. Can't wait to test it on my AMD64x2 at home.

This also bodes well for the 2.6.28 kernel once the RT patches start
becoming available

Cheers,
Quentin

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Jaromír Mikeš 01-16-2009 01:31 AM

Kernel 2.6.26.8-rt13
 
< Hi all,
<
< according to my own tests and to the report on the list, I think
< kernel 2.6.28 is not yet stable enough, rt/latency-wise.
<
< So I've just finished packaging a new 2.6.26, with the latest RT
< patch, and a further patch recently posted to the linux-rt mailing
< list, which fixes an ALSA midi problem.
<
< Full images and headers are available for both i386 and amd64, just
< add:
<
< deb http://apt.64studio.com/backports hardy-backports main
<
< to your sources and run:
<
< apt-get install linux-image-2.6.26-1-multimedia-686
< apt-get install linux-headers-2.6.26-1-multimedia-686
<
< for i386 or:
<
< apt-get install linux-image-2.6.26-1-multimedia-amd64
< apt-get install linux-headers-2.6.26-1-multimedia-amd64
<
< for amd64, all as sudo.
<
< Ciao!
<
< Free

Hello,

unfortunately I have to report some system freezes with runing jack on my 2.1 etch/lenny system.

freezes with these jack's settings:

/usr/bin/jackd -R -p128 -t5000 -dalsa -r44100 -p16 -n3 -D -Chw:0 -Phw:0 -i2 -o2 -Xseq
/usr/bin/jackd -R -p128 -t5000 -dalsa -r44100 -p32 -n3 -D -Chw:0 -Phw:0 -i2 -o2 -Xseq
/usr/bin/jackd -R -p128 -t5000 -dalsa -r44100 -p64 -n3 -D -Chw:0 -Phw:0 -i2 -o2 -Xseq

seems to be fine with
/usr/bin/jackd -R -p128 -t5000 -dalsa -r44100 -p128 -n3 -D -Chw:0 -Phw:0 -i2 -o2 -Xseq

Not heavily loaded Ardour session used for testing ... no plugins at all.

Cheers

mira

PS: I will test latter 3.0 Alpha

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